stabilize match_beginning_vert

src/test/run-pass/match-beginning-vert.rs

@@ -0,0 +1,28 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+enum Foo {
+    A,
+    B,
+    C,
+    D,
+    E,
+}
+use Foo::*;
+
+fn main() {
+    for foo in &[A, B, C, D, E] {
+        match *foo {
+            | A => println!("A"),
+            | B | C if 1 < 2 => println!("BC!"),
+            | _ => {},
+        }
+    }
+}

src/test/ui/feature-gate-match_beginning_vert.rs

@@ -1,36 +0,0 @@
-// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-#[allow(dead_code)]
-enum Foo {
-    A,
-    B,
-    C,
-    D,
-    E,
-}
-use Foo::*;
-
-fn main() {
-    let x = Foo::A;
-    match x {
-        | A => println!("A"),
-        //~^ ERROR: Use of a '|' at the beginning of a match arm is experimental (see issue #44101)
-        | B | C => println!("BC!"),
-        //~^ ERROR: Use of a '|' at the beginning of a match arm is experimental (see issue #44101)
-        | _ => {},
-        //~^ ERROR: Use of a '|' at the beginning of a match arm is experimental (see issue #44101)
-    };
-    match x {
-        A | B | C => println!("ABC!"),
-        _ => {},
-    };
-}
-

src/test/ui/feature-gate-match_beginning_vert.stderr

@@ -1,26 +0,0 @@
-error[E0658]: Use of a '|' at the beginning of a match arm is experimental (see issue #44101)
-  --> $DIR/feature-gate-match_beginning_vert.rs:24:9
-   |
-24 |         | A => println!("A"),
-   |         ^
-   |
-   = help: add #![feature(match_beginning_vert)] to the crate attributes to enable
-
-error[E0658]: Use of a '|' at the beginning of a match arm is experimental (see issue #44101)
-  --> $DIR/feature-gate-match_beginning_vert.rs:26:9
-   |
-26 |         | B | C => println!("BC!"),
-   |         ^
-   |
-   = help: add #![feature(match_beginning_vert)] to the crate attributes to enable
-
-error[E0658]: Use of a '|' at the beginning of a match arm is experimental (see issue #44101)
-  --> $DIR/feature-gate-match_beginning_vert.rs:28:9
-   |
-28 |         | _ => {},
-   |         ^
-   |
-   = help: add #![feature(match_beginning_vert)] to the crate attributes to enable
-
-error: aborting due to 3 previous errors
-